Vulnerabilities (CVE)

Filtered by vendor Openvpn Subscribe
Total 52 CVE
CVE Vendors Products Updated CVSS v2 CVSS v3
CVE-2006-1629 1 Openvpn 2 Openvpn, Openvpn Access Server 2025-04-03 9.0 HIGH N/A
OpenVPN 2.0 through 2.0.5 allows remote malicious servers to execute arbitrary code on the client by using setenv with the LD_PRELOAD environment variable.
CVE-2005-3393 1 Openvpn 2 Openvpn, Openvpn Access Server 2025-04-03 7.5 HIGH N/A
Format string vulnerability in the foreign_option function in options.c for OpenVPN 2.0.x allows remote clients to execute arbitrary code via format string specifiers in a push of the dhcp-option command option.
CVE-2005-2534 1 Openvpn 1 Openvpn 2025-04-03 2.6 LOW N/A
Race condition in OpenVPN before 2.0.1, when --duplicate-cn is not enabled, allows remote attackers to cause a denial of service (server crash) via simultaneous TCP connections from multiple clients that use the same client certificate.
CVE-2006-2229 1 Openvpn 2 Openvpn, Openvpn Access Server 2025-04-03 4.0 MEDIUM N/A
OpenVPN 2.0.7 and earlier, when configured to use the --management option with an IP that is not 127.0.0.1, uses a cleartext password for TCP sessions to the management interface, which might allow remote attackers to view sensitive information or cause a denial of service.
CVE-2023-7245 1 Openvpn 1 Connect 2025-04-02 N/A 7.8 HIGH
The nodejs framework in OpenVPN Connect 3.0 through 3.4.3 (Windows)/3.4.7 (macOS) was not properly configured, which allows a local user to execute arbitrary code within the nodejs process context via the ELECTRON_RUN_AS_NODE environment variable
CVE-2024-27903 1 Openvpn 1 Openvpn 2024-11-21 N/A 9.8 CRITICAL
OpenVPN plug-ins on Windows with OpenVPN 2.6.9 and earlier could be loaded from any directory, which allows an attacker to load an arbitrary plug-in which can be used to interact with the privileged OpenVPN interactive service.
CVE-2024-27459 1 Openvpn 1 Openvpn 2024-11-21 N/A 7.8 HIGH
The interactive service in OpenVPN 2.6.9 and earlier allows an attacker to send data causing a stack overflow which can be used to execute arbitrary code with more privileges.
CVE-2024-24974 1 Openvpn 1 Openvpn 2024-11-21 N/A 7.5 HIGH
The interactive service in OpenVPN 2.6.9 and earlier allows the OpenVPN service pipe to be accessed remotely, which allows a remote attacker to interact with the privileged OpenVPN interactive service.
CVE-2023-7224 1 Openvpn 1 Connect 2024-11-21 N/A 7.8 HIGH
OpenVPN Connect version 3.0 through 3.4.6 on macOS allows local users to execute code in external third party libraries using the DYLD_INSERT_LIBRARIES environment variable
CVE-2023-46850 3 Debian, Fedoraproject, Openvpn 4 Debian Linux, Fedora, Openvpn and 1 more 2024-11-21 N/A 9.8 CRITICAL
Use after free in OpenVPN version 2.6.0 to 2.6.6 may lead to undefined behavoir, leaking memory buffers or remote execution when sending network buffers to a remote peer.
CVE-2023-46849 3 Debian, Fedoraproject, Openvpn 4 Debian Linux, Fedora, Openvpn and 1 more 2024-11-21 N/A 7.5 HIGH
Using the --fragment option in certain configuration setups OpenVPN version 2.6.0 to 2.6.6 allows an attacker to trigger a divide by zero behaviour which could cause an application crash, leading to a denial of service.
CVE-2022-3761 1 Openvpn 1 Connect 2024-11-21 N/A 5.9 MEDIUM
OpenVPN Connect versions before 3.4.0.4506 (macOS) and OpenVPN Connect before 3.4.0.3100 (Windows) allows man-in-the-middle attackers to intercept configuration profile download requests which contains the users credentials
CVE-2022-33738 1 Openvpn 1 Openvpn Access Server 2024-11-21 5.0 MEDIUM 7.5 HIGH
OpenVPN Access Server before 2.11 uses a weak random generator used to create user session token for the web portal
CVE-2022-33737 1 Openvpn 1 Openvpn Access Server 2024-11-21 5.0 MEDIUM 7.5 HIGH
The OpenVPN Access Server installer creates a log file readable for everyone, which from version 2.10.0 and before 2.11.0 may contain a random generated admin password
CVE-2021-4234 1 Openvpn 1 Openvpn Access Server 2024-11-21 5.0 MEDIUM 7.5 HIGH
OpenVPN Access Server 2.10 and prior versions are susceptible to resending multiple packets in a response to a reset packet sent from the client which the client again does not respond to, resulting in a limited amplification attack.
CVE-2021-3824 1 Openvpn 1 Openvpn Access Server 2024-11-21 4.3 MEDIUM 6.1 MEDIUM
OpenVPN Access Server 2.9.0 through 2.9.4 allow remote attackers to inject arbitrary web script or HTML via the web login page URL.
CVE-2021-3613 1 Openvpn 1 Connect 2024-11-21 4.4 MEDIUM 7.8 HIGH
OpenVPN Connect 3.2.0 through 3.3.0 allows local users to load arbitrary dynamic loadable libraries via an OpenSSL configuration file if present, which allows the user to run arbitrary code with the same privilege level as the main OpenVPN process (OpenVPNConnect.exe).
CVE-2021-3606 2 Microsoft, Openvpn 2 Windows, Openvpn 2024-11-21 4.4 MEDIUM 7.8 HIGH
OpenVPN before version 2.5.3 on Windows allows local users to load arbitrary dynamic loadable libraries via an OpenSSL configuration file if present, which allows the user to run arbitrary code with the same privilege level as the main OpenVPN process (openvpn.exe).
CVE-2021-3547 1 Openvpn 1 Openvpn 2024-11-21 5.8 MEDIUM 7.4 HIGH
OpenVPN 3 Core Library version 3.6 and 3.6.1 allows a man-in-the-middle attacker to bypass the certificate authentication by issuing an unrelated server certificate using the same hostname found in the verify-x509-name option in a client configuration.
CVE-2020-9442 2 Microsoft, Openvpn 2 Windows, Connect 2024-11-21 7.2 HIGH 7.8 HIGH
OpenVPN Connect 3.1.0.361 on Windows has Insecure Permissions for %PROGRAMDATA%\OpenVPN Connect\drivers\tap\amd64\win10, which allows local users to gain privileges by copying a malicious drvstore.dll there.